AN5819K

ICs for TV AN5819K Sound multiplex demodulator IC for TV in the North American market Productnnu s Overview The AN5819K is a single chip IC, which includes a sound multiplex demodulator for Zenith TV system and the dbx TV sound noise reduction function. s Features Stereo demodulation, SAP demodulation and dbx noise reduction are integrated into a single chip Enabling various kinds of adjustment and mode changeover thanks to I2C bus Built-in input volume (I2C control) for interface with intermediate frequency processing IC s Applications TV and VCR for the North American market (A licensing agreement with THAT Corporation is necessary in order to use this IC with built-in dbx-TV noise reduction function.) s Block Diagram lifecycleaen stage.dc 1.778 26.7±0.3e/ Unit: mm 0.5±0.1 0.9±0.25 1 28 2 27 3 26 4 25 5 24 6 23 7 22 8 21 9 20 10 19 11 18 12 17 13 16 14 15 8.4±0.3 1.05±0.25 3.05±0.25 4.8±0.25 3° to 15° 10.16±0.25 0.3+–00..105 SDIP028-P-0400B Plehtatsp:e/M/vaiiwsniwttefw.nolsalenocmwiie/cnpolDgdiina.ssUncpceRoaodLnnnttiapidalinmsnbasuaouiocneneniuoetdtdc22211nd.45678ielt15670ticnnaytnmocSSaLRGVlp.t-eu-jaCAenioNouesreCpPctuuen/Ddttd9toieeetentVsnfyn/yfopaproelnelmdcoaetwitioynnpg.efourDisMcaionnttie 11 MPX in 12 Input VCA Pilot det. Stereo filter St.PLL L+R demod. L−R demod. SAP SAP filter demod. Noise filter SAP noise det. V-reg. I-reg. L+R filter L−R filter SAP out filter 75 µs de-emph. (L−R)/SAP switch Matrix dbx de-emph. 2 dbx wide band ...